38399440

素因数分解:

$2^4\times 5^1\times {\mathrm{677}}^1\times {\mathrm{709}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 89536680

約数和(自身を除く): 51137240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 677, 709, 1354, 1418, 2708, 2836, 3385, 3545, 5416, 5672, 6770, 7090, 10832, 11344, 13540, 14180, 27080, 28360, 54160, 56720, 479993, 959986, 1919972, 2399965, 3839944, 4799930, 7679888, 9599860, 19199720, 38399440]

約数ペア:

[(1, 38399440), (2, 19199720), (4, 9599860), (5, 7679888), (8, 4799930), (10, 3839944), (16, 2399965), (20, 1919972), (40, 959986), (80, 479993), (677, 56720), (709, 54160), (1354, 28360), (1418, 27080), (2708, 14180), (2836, 13540), (3385, 11344), (3545, 10832), (5416, 7090), (5672, 6770)]